Quadratic Formula Calculator vs Calculator 17
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quadratic Formula Calculator
This app simplifies solving quadratic equations by allowing users to input coefficients a, b, and c. It quickly displays the solutions for x, including support for imaginary numbers. Users can also switch between light and dark themes for a personalized experience.
- Input coefficients a, b, and c
- Displays solutions for x
- Supports imaginary number solutions
- Light and Dark modes
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The easiest quadratic formula solver. Simply enter the values for a, b, and c and the solutions for x will be displayed. - Supports imaginary numbers as solutions. - Light and Dark modes
Calculator 17
This app offers a user-friendly calculator with basic and scientific modes. Access calculations instantly via a home screen widget and review past computations in a saved history.
- User-friendly interface
- Basic and scientific modes
- Home screen widget
- LiveActivity Standby for iPhone
- Calculation history
- Customizable themes
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Introducing Calculator 17, the ultimate tool for all your math needs on the go! *** - User-Friendly: Calculator 17 makes math feel easy and quick, perfect for both school tasks and daily math jobs. *** - Various Modes: Whether it's basic addition or advanced calculations, we have you covered. Switch between the simple calculator and Scientific mode easily. *** - Instant Access: No more searching for the app. With our homescreen widget and LiveActivity Standby for iPhone, perform calculations directly on your main screen, all while choosing from a variety of fun themes. *** - Never Forget: Your calculations are always saved in our handy history tab. Want to share or copy them? It's just one tap away. Calculator 17 isn’t just another math app. It’s your trusty helper, ready to handle any math challenge. Whether you're a student in need of a school calculator or someone who loves playing with numbers, our calculator is the perfect fit.
Screenshots
Verdict
Quadratic Formula Calculator and Calculator 17 both sit at 4.7 stars, but that hides the real split: 75% of Quadratic Formula Calculator's written reviews are positive against 22% of Calculator 17's. Calculator 17's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Quadratic Formula Calculator sells 1 one-off in-app purchase. Calculator 17 asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Quadratic Formula Calculator against 4.6 for Calculator 17. That said, the two scores are not equally well evidenced: Calculator 17 has 971 ratings behind it against 71, so its average is the more settled of the two. Written reviews are what separate them: 75% of Quadratic Formula Calculator's written reviews are positive against 22% of Calculator 17's.
Quadratic Formula Calculator ships an update every 9 months, Calculator 17 every 4 days. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.
| Parameter | Quadratic Formula Calculator | Calculator 17 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (71 ratings) — better | 4.6 (971 ratings) |
| Positive reviews | 75.0% of reviews — better | 21.5% of reviews |
| Number of ratings | 71 | 971 — better |
| Update frequency | Every 9 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Edward Prokopik | AI APPS SRL |
Customer experience
Quadratic Formula Calculator
Calculator 17
Bugs and requests
Quadratic Formula Calculator
Not enough reviews yet to summarise bugs or requests.
Calculator 17
Reported bugs
3 issues- Widget shows up blank
- Numerical display is cut off
- Significant delay between key presses and display update
Requested features
3 requests- Add landscape mode support
- Improve widget responsiveness
- Increase bracket functionality
In-app purchases
Quadratic Formula Calculator
- Pro Mode$1.99
Calculator 17
No in-app purchases
Questions
Is Quadratic Formula Calculator free?
Is Calculator 17 free?
Which has better reviews, Quadratic Formula Calculator or Calculator 17?
Do Quadratic Formula Calculator or Calculator 17 have ads?
Which is updated more often, Quadratic Formula Calculator or Calculator 17?
Other comparisons
